private static void ldc2_w(Instruction instruction, Frame frame, ClassFile cFile)
{
ushort index = BitConverter.ToUInt16(instruction.Operand, 0);
frame.PutLongToStack(((CONSTANT_B8_info)cFile.GetConstant(index).Info).ToLong());
nop(instruction, frame, cFile);
}
public static void Main(string[] args)
{
//byte[] data = File.ReadAllBytes(@"..\..\NOD.class");
//byte[] data = File.ReadAllBytes(@"..\..\SQRT.class");
byte[] data = File.ReadAllBytes(@"..\..\..\javac\NOD.class");
ClassFile cFile = ClassFile.ParseClassFile(data);
// TODO: check cFile.AccessFlags
MethodInfo methodMain = null;
foreach (var m in cFile.Methods)
{
if (m.AccessFlags != (short)(MethodAccessFlags.ACC_PUBLIC | MethodAccessFlags.ACC_STATIC))
{
continue;
}
var mName = (CONSTANT_Utf8_info)cFile.GetConstant(m.NameIndex).Info;
if (!mName.String.Equals(MAIN_NAME))
{
continue;
}
var mSignature = (CONSTANT_Utf8_info)cFile.GetConstant(m.DescriptorIndex).Info;
if (!mSignature.String.Equals(MAIN_SIGNATURE))
{
continue;
}
methodMain = m;
break;
}
if (methodMain == null)
{
throw new Exception("Main method is not found!");
}
RunMethod(cFile, methodMain, new int[0]);
Console.ReadLine();
}
private static void ldc(Instruction instruction, Frame frame, ClassFile cFile)
{
frame.Stack.Push(((CONSTANT_B4_info)cFile.GetConstant(instruction.Operand[0]).Info).ToInt());
nop(instruction, frame, cFile);
}